Metal-reinforced concrete column.



CUMMNGC, F

lisation ef Let-bers:

f', decks, 'repreer buildings, and other venbien te 'irevide e,

el sind 'Whieh e.

mainly l Gerry e.

et empres ruetefl end .d hjflre, We v er 4Uhese r'. :Leens il' is f huilci' 'l' yJever, sii ir.'

.ject-ed, te very 'e *fi/'ill be forced apart' e etere the eehmm.

e3, they e. eelum'e een@ i seuring lue Le the ei the concrete is overcome, g seeeirielisr ed h" surrounding the.

si hejf ei the 'Comer-ete with a. series of let I s @im eh will prevent he com tien. is mi. imprevement 'i f my petireresse lhe .stabile ef vertieel reinhlveeien is Le yer @wel members, 1vhe'her fr :weve described er etl'ierwise, "i properly spew/eri from Vhe le asiel melrihers 'will uhh fu in the eeheree and he endfieci @herein ehiee' is te 'revifle improved erV hel rmg the bands Meer v 'strueted according te my" i'eventieii.

mils er eensruellerl smi. erreigemer hereinrleserihe enel claimed. in. the secouer tag/mg cir( Wings, Figure l. 'is

e vertieal see on threugh column. com Fig. 2 .1.a i rensverse see-,tien theree'. Figs. sind e are similar views shewmg n'ieehheatieis.

sectien ef still enoher merli ine exited, depending upon t ie size euri shape ef the column. They will be el s (frese-section, having the mel/el se distrihuled. that. the me- .jor lserien thereof will he es `lar out from the eerler el the. eelumri as possible, as to gel, the grefies' radius of gyrsziee emi eerref spe'nclingly increasing A@he stshiliay of the eelmnh. The mest advantageous eress-seetiorl te secure this result is e let reesnguier ber, strip, er hand, such se 'shown et 2a, Fig. 4. Preferably, however, Lhase reinfereing members 'will be slightly stiff/hed by providing; them with ehe er more inwsrdly-prejeeting: flanges, either hy using e ehaImel-seetiorl, shown at 2b, Fig. 3, er a medilecl angle er seetion, the lster being shown et 2C, .F l and 2, The inwardly-projecting 'flange er 'flanges e the angle, channel, er 'i sections greatly s'tii'en these reinforcing' n'iemhers. The metal nevertheless is so distributed that Ehe meier portieri thereof is iii. the wel) of the ehzmnel er in the hes-rl of ehe 'T-bar, and these fire directed. outwardly the radius gyretien is eerrespendiegly large. ln my design Iheee vertical members are 'not intended te fret ss eempressien members, although ihey probably' de se le seine ement, but they :zet

es tension. members be prevent the flexing ofthe Column. They also serve ineens for supper g bends G, 'which extend. trans; verseiy ef the column. and envelop the mager portieri el he concrete body, hese lbends.' serving Le held 'the concrete against reetup.

ing leneraflly, and lierehy developing the greatest compressivestrength of" seid eenerelae. rihe hemels therefore will preferM shly and. errsnged v ish. their :gist

tical members, said steples engaging seid Ining transversely thereof and enveloping thev mein body of concrete, staples heving their ends projecting through openings in said verticel members end bent over the front face of seid bands end holding the same `iXedly in place transversely to tbe exis of the column, end concrete or the like envelo ing and embedding seid bends and verticailmeinbers.

6. i column or the like comprising a series of metallic members extending longitudinelly of' tbe column, said members being proif'ided with broad thin Webs and arranged with said Webs toward the outer face of the column, e series oi bands connected to said vertical members and extending transversely of, tbe column end enveloping the main body oi concrete, end concrete or the like enveloping and embedding seid metallic members.

7. A column. or the like, comprising a series of metallic members extending longitudinally of the column, said members being provided with broad webs arranged toward the outer 'face ci the column end with an inwardly-projecting iiange or ilanges, a series ci metallic bends extending transversely of lvthe column end connected to said vertical members and enveloping tlie main body oi concrete, end concrete o1- the like enveloping and embedding said metallic members.

A column er the like, comprising e sc ries of metallic members extending longitudinally of the column, said members 1lieNing tbe mejor portion oi the metal on the sides 'facing the outer surface ci tbe column end being provided with projecting portions for contacting with the casing, and concrete or tne like enveloping and -embeddingr seid me tellic members.

9. A column or the like, comprising series ci' vertical .metallic members provided With projecting portions for contacting with the casing, a series of bends extending tre-nsversely oi' the column and engaging said vertical members, end concrete or thel like enveloping end embedding said metallic members. Y

10A A column or the like, comprising e series ci metallic members extending longitudinally of tlie column and lieving'portions thereof punched out and bent et en angle to contact Witli tbe casing, and concrete or the like enveloping end embedding seid metallic members.

1l. A column. or the like, comprising e series ol metellic members extending longitib dinelly ci the column. and having portions of their bodies punched out/"and bent et an angle to contact with tbe casing, e series of bands extending transversely of tbe columns and engaging said longitudinal members, and concrete or tbe like enveloping and embedding seid metallic members.

ln testimony whereof i, the seid ROBERT A. CUMMINGS, bave hereunto set my hand.

RGBERT A. CUl\lMlNGS.

l/l/Titnesses F, W. WINTER, Renner (Le To'r'rnn. 

